Window-brush



(No Model.)

J. S. WHITE.

.WINDOW BRUSH.

No. 299,188. Patented May 2'7, 1884.

bar.

Jbim Jta vleo" W'fazlie WM E5555 m i I lates is of the class or kind described in Let- Human STaTns JOHN STAPLES WHITE, on PORTLAND, MAINE.

WINDOW SPECIFICATION forming part of Letters -e'nusi-i.

Patent No. 299,188, dated May 27, 1884.

Application filed January 16, 1884. (No model.)

To aZZ whom it may concern:

Be it known that I, JOHN STAPLES Wnrrn, of Portland, in the county of Cumberland, of the State of Maine, have invented a new and useful Improvement inNVindow-Brushes; and I do hereby declare the same to be described in the following specification, and represented in the accompanying drawings, of which-- Figure l is a side View, and Fig. 2 a transverse section,of a brush in accordance with my invention, the nature of which is defined inthe claim hereinafter presented.

The brush to which my improvement reters Patent No. 64,266, granted to me April 30, 1867 ,which is now in general use for cleaning railway-car or other windows.

The improved brush has its mass, A,of bristles secured to or in a flexile disk or backing, B, of leather, and, instead of having 011 the top of such a simple flat disk of metal, I now have a dome-shaped or concavo -convex plate, 0, over which is a covering, D, of leather or other proper material, such covering being extended beyond the periphery of the strengtheningplate, and stitched to the backing. Furthermore, instead of having arranged 011 the side of the center of the brush-head the socket-piece E'for reception of the brushhandle, I now have it at the center, and held to the brush-head by ascrew, F, going upward through the head,and screwed into the socket-piece, all being as represented. There is within the handle-socket of the said socket-piece a female screw, a, to receive the end of the handle, and, besides, the screwthreaded hole I) in the socket, for reception of the confining-screw F, leads into the socket in order that the said screw, 011 being set up closely, shall not only draw the said socketpiece firmly down upon the brush-head, but, in case of the handle being in the socket, enter such handle a short distance, so as to prevent it from being accidentally unscrewed in the socket.

I would observe that in some cases I do not have the fastening-screw of sufficient length, when screwed closely up, to extend into the socket of the socket-piece; but it will readily be seen that an advantage is gained, as specified, by having it longenough to project into the handle. So, in some cases I have the fastening-screw attached to and projecting from the socket-piece, and to go through the brushhead and screw into a nut arranged against the under side of the fiexile backing; but it is preferable in most cases to have the said screw separate from and to screw up into the handle socket-piece, or into such and the handle when therein.

It is found with the concavoconvex or dome-shaped stiffening-plate, arranged on the flexile backing in manner as represented, that the brush-head, when wet, is not liable to warp or get out of shape, as is the case, and is much stronger in use than, when a flat stiffening-plate is employed. With my present improvement the whole brush-head is revoluble on its center pin, whereas in my brush described in the aforementioned patent the flexile backing was revoluble on the pin independently of the cap plate, and at its edges was disconnected therewith. and with the stiffening-plate, in consequence of which water or dirt was liable to get between the backing and its covering and stiffening plates to the injury thereof, all of which, by the 0011- struction of my improved brush, is prevented, by reason of the covering of the stiffeningplate being near its edge and about such sewed or fastened watertight to the leather backing. With my present improvement I require, for securing the handle socketpieee to the brush-head, no screws or other devices besidesfthe central or pivotal screw on which the brush can be revolved, and thus I effect an important saving in expense in making the brush. The reason for having the brush revoluble relatively to the handle is duly set forth in the specification of the aforementioned patent.

I claim The improved window-brush substantially as described, consisting of the mass of bristles, flexible backing, concavo-convex stiffeningplate and its cover, and the handle-socket and its fastening-screw arranged as set forth, and having said cover secured or sewed to the backing around the periphery of the stiffening plate.

- JOHN STAPLES IVHITE. IVitnesses:

' EDWARD WooDMAN,

BENJ. THoMPsoN. 

